subtools 1.1.0

New feature

• move_subtitles function moves all subtitles forward or backward by a specified time
• A vignette presenting the package main functions

subtools 1.0

• Complete change of the API

subtools 0.2

• Added a NEWS.md file to track changes to the package.
• Added as_subtitle() to enable passing in of a character vector as a subtitle and coerce it into a subtitle object. Refactored read.subtitles() to use the as_subtitles generic.